回答済み
search last day calendar in several year
"...only changing to two-week difference won't be reliable; it would produce Saturdays two weeks apart, yes, but not only the fi...

2年以上前 | 1

回答済み
Using accumarray to organize large CSV
tT=readtable("data1.csv"); tT.Properties.VariableNames(2)={'Site'}; % shorten to be more convenient to use head(tT) G=grps...

2年以上前 | 0

| 採用済み

回答済み
search last day calendar in several year
Iffen I interpret the request correctly, you want the Saturdays from 2015 thru 2023... dt=[datetime(2015,1,1):days(7):datetime(...

2年以上前 | 1

| 採用済み

回答済み
How to merge two characters into one in Matlab Simulink
function RC_ROLL = fcn(R) RC_ROLL=double(256*uint16(R(26))+uint16(R(25))); end Of course, that's what your m-file version ...

2年以上前 | 1

| 採用済み

回答済み
How do I open powerpoint at a specific slide from Matlab?
That will all be answered by the PowerPoint VBA documentation of methods; it's not a MATLAB Q? at all... See https://learn.micr...

2年以上前 | 0

回答済み
subtracting consecutive elements from arrays
num = [50 51 53 51 50 55 56 57 53 54 55 56 58 55 54 57 58 59 60 61]; Q = [10 15.8 19.5 19.5 15.8 10 4.1 0.5 0.5 4.1]; d = [dif...

2年以上前 | 0

| 採用済み

回答済み
app.UIFigure = uifigure(); creates a new UIfigure window and the original app is not accessible through app.UIFigure
If the AppDesigner app main figure were named just UIFigure in the auto-generated startup code function createComponents(app), t...

2年以上前 | 0

回答済み
Random number generate - Specific values
V=[7,8.5,9.625,12.25]; % the values to repeat N=5000; % total number wanted RV=repmat(V,1,N/n...

2年以上前 | 0

| 採用済み

回答済み
How to replace a line in a text file?
text files are sequential files and can't easily be written to in the middle...in MATLAB, the simplest thing to do will be to re...

2年以上前 | 0

回答済み
How to use an excel sheet as function?
Have to use COM and send <the Excel instruction to force recalculation>... I'd suggest to move the calculations into MATLAB as ...

2年以上前 | 2

| 採用済み

回答済み
real or categorical predictors, which one is faster?
Whether to use categorical or continuous variable is context sensitive and should be based on the model intent and interpretatio...

2年以上前 | 1

| 採用済み

回答済み
Addressing variables with special characters in the name
A brute-force, dead-ahead solution is at <Fix .mat file variable names>. It's simply string substitution...as @Walter Roberson ...

2年以上前 | 0

回答済み
How to make same subplot size at different figures regardless of the number of sub-plot?
The simplest would be to create the same number of subplots for all figures, just not use the extra ones. Alternatively, you ca...

2年以上前 | 1

回答済み
How do I extract the data corresponding to specific latitude and longitude from this 1x1 structure?
lat=48; lon=11; ixLat=find(GHI.lat==lat); ixLon=find(GHI.lon==lon); vals=GHI.data(ixLat,ixLon);

2年以上前 | 0

回答済み
Checking whether excel file is opened?
Excel creates a hidden file of the same base name prefixed with "~$" when it opens a file -- this is the backup copy. This file...

2年以上前 | 0

回答済み
"Publish" code with bugs
publish writematrix("A = [1 2; 3];",'trial_script.m','FileType','text') type trial_script.m publish('trial_script.m') While ...

2年以上前 | 0

| 採用済み

回答済み
trying to find which row this specific date time is at in an excel sheet
Presuming (although you didn't tell/show us) from the "dot" notation you used readtable to load the data into MATLAB, NumRows=h...

2年以上前 | 1

回答済み
I want to store the vector from each for-loop iteration, how can I do this?
You're almost there, you've just got to wrap your head around coding in "the MATLAB way"... nR=256; nC=256; % i...

2年以上前 | 1

| 採用済み

回答済み
I want to find the integration under the exported graph whose function is not known. How to do this?
" I have data points and after plotting the graph i need to find the area under it how do i do that?" <See example at> that is ...

2年以上前 | 0

回答済み
How to plot a graph like this??
scatter it is, indeed. From the link, "specify x and y as matrices of equal size. In this case, scatter plots each column of y ...

2年以上前 | 0

| 採用済み

回答済み
Function "diff" and the loss of an element in the array
diff is defined as x(i+1)-x(i) for i=2:numel(x). But, MATLAB arrays are always 1-based so the result of x(2)-x(1) is in the fir...

2年以上前 | 0

回答済み
how do I use importdata() to import specific columns of data from a .txt file?
importdata returns an array, not a struct nor table -- it has its uses, but I generally avoid it for more specific functions tha...

2年以上前 | 0

回答済み
Pass input arugments in .exe file generated by Matlab coder
<You must modify a main.c> function to read/use an argument list when creating a standalone executable; it doesn't happen by def...

2年以上前 | 0

| 採用済み

回答済み
readtable(html file) producing extra empty columns
Use 'SelectedVariableNames' with the variable(s) desired I can't tell what you want, specifically, there's a comment to read on...

2年以上前 | 0

回答済み
How do I add these two variables? i keep on getting an error.
We don't know enough to be complete, but assuming the two input values are numeric, then function AddButtonPushed(app, event) ...

2年以上前 | 0

回答済み
Add zero padding to fft for accurate estimation
Returning the one-sided frequency spectrum instead of two-sided (the zero frequency/DC component is in the middle). Fs = 1e3; ...

2年以上前 | 0

回答済み
How to set characters font in excel by m-file?
Worksheet.Range('A1').Characters('Start:=2, Length:=2').Font.ColorIndex = 3; % 2nd and 3rd characters color red, NG MATLAB does...

2年以上前 | 0

| 採用済み

回答済み
Simple array multiplication of incompatible sized arrays
What KIND of "multiply"? "*" is matrix multiplication and SV=rand(62,3); NED=rand(186,3); M=NED*SV.'; whos M so you can mu...

2年以上前 | 1

| 採用済み

回答済み
Correlation and regression between matrixes with NaN values
"...regression and correlation coefficent between two matrixes (temperature and sea level pressure), ... to have a .... for ever...

2年以上前 | 2

回答済み
Calculate values of struct of struct
The problem of using sequentially-named fields in the struct instead of an array of struct; there's no good way to process the r...

2年以上前 | 1